#!/usr/bin/env python3

# Copyright (c) 2005-2014 Fpemud <fpemud@sina.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.


import os
import pathlib
from ...._plugin import KernelAddonPlugin


class Plugin(KernelAddonPlugin):

    def patch_kernel(self, context):
        fullfn = os.path.join(context.get_kernel_work_dir(), "drivers/bluetooth/btrtl.c")

        buf = pathlib.Path(fullfn).read_text()
        if 'MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin");' in buf:
            raise self.PatchKernelError("outdated")
        if 'MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin");' in buf:
            raise self.PatchKernelError("outdated")

        buf += "\n"
        buf += 'MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin");\n'
        buf += 'MODULE_FIRMWARE("rtl_bt/rtl8761b_config.bin");\n'
        buf += 'MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin");\n'
        buf += 'MODULE_FIRMWARE("rtl_bt/rtl8761bu_config.bin");\n'
